1. Biology of Reproduction, Department of Gynecology and Obstretrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
2. Department of Biomechanics, Medicine and Rehabilitation of the Locmotor Apparatus, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
3. Department of Gynecology and Obstretrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil